SYNTHESIS AND METAL-BINDING PROPERTIES OF OLIGO-CALIXARENES - AN APPROACH TOWARDS THE CALIX[4]ARENE-BASED DENDRIMERS

被引：51

作者：

LHOTAK, P ^{[1
]}

SHINKAI, S ^{[1
]}

机构：

[1] KYUSHU UNIV,FAC ENGN,DEPT CHEM SCI & TECHNOL,FUKUOKA 812,JAPAN

来源：

TETRAHEDRON | 1995年 / 51卷 / 28期

关键词：

D O I：

10.1016/0040-4020(95)00408-Z

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

A series of bis-calix[4]arene derivatives 4a-h (cone conformation) linked through the phenolic oxygens with the help of a single aliphatic chain (lower rim-lower rim connection) was obtained in high yields (50-80%) by alkylation of 25, 26, 27-tripropoxy-28-hydroxycalix [4]arenes 2a, 2b with 0.5 equiv. of Br-(CH2)(n)-Br in the presence of NaH. The same reaction with excess dibromides yielded corresponding bromoalkyl derivatives 3a-c which were used for construction of oligo-calix[4]arenes (bis, tris, pentakis) - a new family of calix[4]arene derivatives representing the first step on the way towards the calixarene-based dendrimers. The metal complexation behavior of newly prepared compounds was investigated with the help of H-1 NMR spectroscopy.

引用

页码：7681 / 7696

页数：16

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